Pipefitting-insulation jacket



FIG. 1 is a top plan view of a pipefitting-insulation jacket showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a top perspective view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a side elevational view thereof; and

FIG. 6 is an opposite-side elevational view thereof.

The rear-elevational view (not shown) of the jacket is a mirror image of the FIG. 4 front elevational view thereof. 

The ornamental design for a pipefitting-insulation jacket, as shown and described. 